Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8241411 | Multistage variable impactor | Bradley A. Smith, Christopher E. Holm, Brian W. Schwandt, Peter K. Herman | 2012-08-14 |
| 8118909 | Multistage variable impactor | Bradley A. Smith, Christopher E. Holm, Brian W. Schwandt, Peter K. Herman | 2012-02-21 |
| 7935165 | Multistage variable impactor | Bradley A. Smith, Christopher E. Holm, Brian W. Schwandt, Peter K. Herman | 2011-05-03 |
| 7648543 | Multistage variable impactor | Bradley A. Smith, Christopher E. Holm, Brian W. Schwandt, Peter K. Herman | 2010-01-19 |